Related Parties (Tables)

3 Months Ended

Mar. 31, 2013

Related Parties [Abstract]

Schedule of Related Party Transactions [Table Text Block]

		Three Months Ended
		March 31,
		2013		2012
Net sales	$	103	$	47
Purchases	$	7,509	$	7,418

		Three Months Ended
		March 31,
		2013		2012
Net sales	$	3,648	$	4,472
Purchases	$	1,528	$	1,804

		March 31,		December 31,
		2013		2012
Accounts receivable
LSC	$	100	$	204
Keylink		10,507		10,457
	$	10,607	$	10,661
Accounts payable
LSC	$	5,731	$	5,308
Keylink		4,701		5,095
	$	10,432	$	10,403